Home / 672,846.24-1,007,629.85-445,003.05

Finding the Fourth Proportional to 672,846.24, 1,007,629.85 and 445,003.05

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Solution

The fourth proportional to 672,846.24, 1,007,629.85 and 445,003.05 is: 666,420.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,846.24 : 1,007,629.85 = 445,003.05 : x
  2. Step 2: Convert to fraction form
    672,846.24/1,007,629.85 = 445,003.05/x
  3. Step 3: Cross multiply
    672,846.24x = 1,007,629.85 × 445,003.05
  4. Step 4: Simplify right side
    672,846.24x = 448,398,356,521.04
  5. Step 5: Solve for x
    x = 448,398,356,521.04/672,846.24
  6. Step 6: Final answer
    x = 666,420.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.